Multiple Scales Expansions Near Critical Rays

DOI10.1137/0152017zbMath0784.35017OpenAlexW1968696437MaRDI QIDQ4009456

R. H. Tew, John R. Ockendon

Publication date: 27 September 1992

Published in: SIAM Journal on Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0152017

zbMATH Keywords

Helmholtz equationtotal internal reflectionsurface rays

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Geometric optics (78A05)

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